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Deffense [45]
3 years ago
12

Two of the nitrogen bases are single ring structures known as

Biology
1 answer:
Blizzard [7]3 years ago
4 0
Single ring structures known as pyrimidines
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How do you put 4.898989 E5 *<br> A. 4.9 x 10^5<br> B. 4.9 x 10^-5<br> C. 4 x 10^5<br> D. 4 x 10^-5
valkas [14]

Answer:

4.9 ^10_5

Explanation:

the negative sign after the exponent is as a result of the decimal point after the number

4 0
3 years ago
Some species, such as humans and pandas, take a very long time to reproduce. Why might this be adventageous to the species as a
Tanya [424]

Answer:

Reproducing is fast for some animals, but can mess up their DNA and genetics. Humans and other aninkas take a while. It has a better chance of perfect genetics and heredity from parent, this goes along with sexual and asexual reproduction.

Explanation:

8 0
3 years ago
If this person had son,what,sex chromosome did they give their son?
dybincka [34]

Answer:

B

Explanation:

Y chromosomes are the male chromosome. A person with an XY sex chromosome pair will be male while that with an XX sex chromosome pair will be female. This is because the Y chromosome has a male-determining gene called the SRY. This gene is responsible for the development of testis.

3 0
4 years ago
Describe remediation techniques and how they work.
Taya2010 [7]

Answer:

Pump-and-Treat is a primary technique for groundwater and soil remediation. In this process, groundwater is pumped to the surface, and contaminants are removed by a variety of treatment methods, including air-stripping, activated carbon, ultraviolet or ozone treatment, precipitation and biodegradation.

Explanation:

6 0
3 years ago
Read 2 more answers
Does anyone know the answer?
KiRa [710]

Answer:

C. Sunlight penetrates to greater depths in land than water

Explanation:

Water is a poor conductor of heat which is why it takes much longer for water to conduct heat than it does land.

I hope this helped :)

3 0
3 years ago
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